8 SEMI-CENTENNIAL OF ToRREY BOTANICAL CLUB 
cluding with a summary of the results shown in large book on 
the subject written by the speaker and soon to be published.) 
“Тһе route taken by Capt. Nathaniel J. Wyeth and Mr. Thomas 
Nuttall from the Mississippi River to the Columbia River in 
1834," by W. W. Eggleston. (Read by title in absence of the 
author. To be published by the U. S. Department of Agri- 
culture), 
“Statistical studies in Cichorium,” by Dr. A. B. Stout. 
“The origin and development of the lamellae in Schizophyllum 
commune," by Professor James F. Adams. 
“Тһе effect of acids and alkalies on the growth of the protoplasm 
of pollen-tubes," by Professor Francis E. Lloyd. (Read by 
title in absence of the author.) 
‘Recent botanical exploration in Colombia," by Professor H. H. 
Rusby. 
At the close of the arranged program, Dr. N. L. Britton ex- 
hibited architects’ plans for recent and future constructions in the 
development of the New York Botanical Garden. Refreshments 
were then served, after which visits were made to the new Rose 
Garden and other points of special interest in the vicinity of the 
Mansion. 
MEETING OF SATURDAY, OCTOBER 20 
The meeting of October 20 was held in the lecture-hall of the 
Brooklyn Botanic Garden, beginning at 2:20 P. M., with Dr. C. 
Stuart Gager, Vice-president of the Club, in the chair. Seventy 
persons were present. Dr. Gager, in behalf of the Brooklyn 
Botanic Garden, made a brief address of welcome, after which the 
following papers were presented: 
“Determination of acidity in plant tissues,” by Professor Herbert 
ichards. 
“Тһе osmotic concentration of the tissue fluids of desert Loran- 
thaceae," by Dr. J. Arthur Harris. Discussion by Professor 
R. A. Harper. 
"Early horticultural journalism in the United States," by Mr. 
James G. Scott. 
“А preliminary report on the Russulae of Long Island,” by Dr. 
Gertrude S. Burlingham. Illustrated by specimens. Dis- 
cussion by Dr. W. A. Murrill and Mr. Norman Taylor. 
